2209769270940 has 288 divisors, whose sum is σ = 7897261929984. Its totient is φ = 456517501440.

The previous prime is 2209769270923. The next prime is 2209769270971. The reversal of 2209769270940 is 490729679022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5397337 + ... + 5792303.

It is an arithmetic number, because the mean of its divisors is an integer number (27421048368).

Almost surely, 2^{2209769270940} is an apocalyptic number.

2209769270940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209769270940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3948630964992).

2209769270940 is an abundant number, since it is smaller than the sum of its proper divisors (5687492659044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2209769270940 is a wasteful number, since it uses less digits than its factorization.

2209769270940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395177 (or 395168 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 2209769270940 in words is "two trillion, two hundred nine billion, seven hundred sixty-nine million, two hundred seventy thousand, nine hundred forty".